56478475 has 6 divisors (see below), whose sum is σ = 70033340. Its totient is φ = 45182760.

The previous prime is 56478473. The next prime is 56478481. The reversal of 56478475 is 57487465.

It is a happy number.

It is not a de Polignac number, because 56478475 - 2¹ = 56478473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56478473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129545 + ... + 1129594.

Almost surely, 2^56478475 is an apocalyptic number.

56478475 is a deficient number, since it is larger than the sum of its proper divisors (13554865).

56478475 is a wasteful number, since it uses less digits than its factorization.

56478475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259149 (or 2259144 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 56478475 is about 7515.2162310874. The cubic root of 56478475 is about 383.6727785145.

It can be divided in two parts, 56478 and 475, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 56478475 in words is "fifty-six million, four hundred seventy-eight thousand, four hundred seventy-five".